Home / 74,914.86-103,382.66-40,923.60

Finding the Fourth Proportional to 74,914.86, 103,382.66 and 40,923.60

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Solution

The fourth proportional to 74,914.86, 103,382.66 and 40,923.60 is: 56,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914.86 : 103,382.66 = 40,923.60 : x
  2. Step 2: Convert to fraction form
    74,914.86/103,382.66 = 40,923.60/x
  3. Step 3: Cross multiply
    74,914.86x = 103,382.66 × 40,923.60
  4. Step 4: Simplify right side
    74,914.86x = 4,230,790,624.78
  5. Step 5: Solve for x
    x = 4,230,790,624.78/74,914.86
  6. Step 6: Final answer
    x = 56,474.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.